Adam L. Silverman, PhD*
BillH, in the comments to the Secretary Panetta's Comments thread indicated that Scott Pelley reported that the SecDef indicated a time frame for Iran's acquisition of a nuclear weapon. The transcript of his Face the Nation interview can be found here. I don't see any reference like that, but click over and see for yourselves.
* Adam L. Silverman is the Culture and Foreign Language Advisor at the US Army War College (USAWC). The views expressed here are his own and do not necessarily reflect those of USAWC and/or the US Army.